1．英[sʌm] 美[sʌm]
2．n.总和; 和; 金额; 总数; 款项; 全部，一切(尤指数量不大); 算术;
3．v.归纳;总计;总结，概括;
4．[例句]Public opinion is only the sum of the views of thousands of people like yourself“舆论”只是所有像你一样的成千上万人的意见的总和。
